| Description | Unit | Limit | Test Method |
| Density@25°C | Kg/m^3 | 1010-1060 | ASTM D70 or D3289 |
| Penetration@25°C | mm/10 | 40-50 | ASTM D5 |
| Softening Point | °C | 52-60 | ASTM D36 |
| Ductility@25°C | cm | 100min | ASTM D113 |
| Loss on Heating | wt% | 0.2max | ASTM D6 |
| Drop in Penetration after Heating | % | 20max | ASTM D5 |
| Flash Point | °C | 232min | ASTM D92 |
| Solubility in Trichloroethylene | wt% | 99.1min | ASTM D2042 |
| Spot Test | — | Negative | A.A.S.H.O.T.102 |
| Viscosity@60°C | P | 4000±800 | ASTM D2171 |
| Viscosity@135°C | cSt | 400min | ASTM D2170 |
Penetration Grade Bitumen 40/50 is a harder paving-grade bitumen designed for road construction projects exposed to high temperatures and heavy traffic loads.
Kiapetro supplies and exports bitumen 40/50 for international infrastructure projects requiring enhanced stiffness, durability, and resistance to deformation. This grade is commonly selected for highways, industrial roads, and asphalt layers where long-term performance under demanding conditions is critical.
Penetration Grade Bitumen 40/50 specification
penetration grade bitumen 40/50 is utilized as an asphalt paving grade, suitable for road construction and preservation as well as for creating asphalt pavement with the following technical specifications. This type of penetration grade bitumen is primarily used in the production of hot mix asphalt for bases and surface
Penetration Grade Bitumen 40/50 is a specific category of bitumen characterized by a penetration value ranging from 40 to 50 tenths of a millimeter (4.0 to 5.0 millimeters). This measurement indicates the firmness of the bitumen and its suitability for various applications in road building and industrial applications.
Application of bitumen grade 40/50
The bitumen is generated during the oxidation process of the vacuum bottom in bitumen production facilities. Because of its significant air-blowing and penetration characteristics, it is utilized in warm, tropical regions. It remains stable at elevated temperatures and retains its properties.
Cost-efficiency and price of bitumen 40/50
The cost efficiency of penetration grade bitumen 40/50 is attributed to its flexibility and minimal upkeep needs. Although the initial investment may be higher compared to other materials, its long-term proficiency and reduced need for repairs have resulted in overall costs.
The price of this product varies due to different materials, the amount of the needed materials, and its grades. For further information on bitumen’s 40/50 price and application visit Kiapetro website.
Q: What is Penetration Grade Bitumen 40/50 used for?
A: It is mainly used in highways, heavy-traffic roads, and asphalt layers exposed to high temperatures and mechanical loads.
Q: Why choose Bitumen 40/50 over softer penetration grades?
A: Bitumen 40/50 provides higher stiffness and resistance to rutting, making it suitable for hot climates and high-load applications.
Q: Is Penetration Grade Bitumen 40/50 suitable for export projects?
A: Yes, it is supplied for export with full inspection documentation and compliance with international standards.
Q: What packaging options are available for this grade?
A: The product can be supplied in steel drums, jumbo bags, or bulk shipments depending on project requirements.
Q: Can third-party inspection be arranged before shipment?
A: Independent inspection certificates such as SGS or BV can be provided prior to loading upon request.


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